255450444020449 has 4 divisors (see below), whose sum is σ = 255460344842500. Its totient is φ = 255440543198400.

The previous prime is 255450444020437. The next prime is 255450444020467. The reversal of 255450444020449 is 944020444054552.

255450444020449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 204110711239824 + 51339732780625 = 14286732^2 + 7165175^2 .

It is a cyclic number.

It is not a de Polignac number, because 255450444020449 - 2³¹ = 255448296536801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255450444020396 and 255450444020405.

It is not an unprimeable number, because it can be changed into a prime (255450444024449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4950372324 + ... + 4950423925.

It is an arithmetic number, because the mean of its divisors is an integer number (63865086210625).

Almost surely, 2^{255450444020449} is an apocalyptic number.

It is an amenable number.

255450444020449 is a deficient number, since it is larger than the sum of its proper divisors (9900822051).

255450444020449 is an equidigital number, since it uses as much as digits as its factorization.

255450444020449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9900822050.

The product of its (nonzero) digits is 18432000, while the sum is 52.

The spelling of 255450444020449 in words is "two hundred fifty-five trillion, four hundred fifty billion, four hundred forty-four million, twenty thousand, four hundred forty-nine".